/Engine/Source/Runtime/MeshDescription/Public/MeshAttributeArray.h
In general, we avoid accessing them via virtual dispatch by insisting that their type be passed as a template parameter in the accessor. This can be checked against the Type field to ensure that we are accessing an instance by its correct type.
class FMeshAttributeArraySetBase
uint32
Extent
Extent of the type, i.e. the number of array elements it consists of
EMeshAttributeF...
Flags
Implementation-defined attribute name flags
int32
NumElements
Number of elements in each index
uint32
Type
Type of the attribute array (based on the tuple element index from AttributeTypes)